| Saint-André-de-Seignanx | |
| Commune Status: | Commune |
| Arrondissement: | Dax |
| Canton: | Seignanx |
| Insee: | 40248 |
| Postal Code: | 40390 |
| Mayor: | Jean Baylet[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Seignanx |
| Coordinates: | 43.5583°N -1.3506°W |
| Elevation M: | 70 |
| Elevation Min M: | 1 |
| Elevation Max M: | 67 |
| Area Km2: | 19.49 |
Saint-André-de-Seignanx (in French pronounced as /sɛ̃.t‿ɑ̃dʁe də sɛɲɑ̃/; Occitan (post 1500);: Sent Andrèu de Senhans) is a commune in the Landes department in Nouvelle-Aquitaine in southwestern France.[2]